Apache Drill Interview Questions & Answers

Are you a software engineer with commendable knowledge in Data ware house? Are you willing to explore career in SQL and database then logon to www.wisdomjobs.com. Apache Drill is an open source software frame work that supports data intensive distributed applications for interactive analysis of large scale datasets. Drill is the open source version of Google ‘s Dremel system which is available as an infrastructure service called Google Big Query. It supports a variety of NoSQL databases and filesystems, including HBase, MongoDB, MapR-DB, HDFS, MopEDS, AmazonS3, Google cloud storage, Swift,NAS and local files. A single query can join data from multiple datastores. For example you can join a user profile collection I. MongoDB with a directory of event logs in Hadoop. So track down your career as Drill Site Leader, Machine Operator, Apache Drill Engineer, Hadoop Developer, Hadoop Administrator and rock your future by looking into apache drill job interview questions and answers.

Apache Drill Interview Questions And Answers

Apache Drill is a Schema-free SQL Query Engine for Hadoop, NoSQL and Cloud Storage and it allows us to explore, visualize and query different datasets without having to fix to a schema using ETL and so on.

Apache Drill is also Analyse the multi-structured and nested data in non-relational data stores directly without restricting any data.

Apache Drill is the first distributed SQL query engine and it contains the schema free JSON model and its looks like -

Elastic Search

MongoDB

NoSQL database

And SO on

The Apache Drill is very useful for those professionals that already working with SQL databases and BI tools like Pentaho, Tableau, and Qlikview.

Drill supports standard SQL (aka ANSI SQL). In addition, it features several extensions that help with complex data, such as the KVGEN and FLATTEN functions. For more details, refer to the SQL Reference.